Base | Representation |
---|---|
bin | 110000101011… |
… | …101011000010 |
3 | 220000100220001 |
4 | 300223223002 |
5 | 11231334134 |
6 | 1133310214 |
7 | 213321253 |
oct | 60535302 |
9 | 26010801 |
10 | 12761794 |
11 | 7227141 |
12 | 433536a |
13 | 284a976 |
14 | 19a2b2a |
15 | 11c1414 |
hex | c2bac2 |
12761794 has 4 divisors (see below), whose sum is σ = 19142694. Its totient is φ = 6380896.
The previous prime is 12761789. The next prime is 12761797. The reversal of 12761794 is 49716721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49716721 = 17 ⋅2924513.
It can be written as a sum of positive squares in only one way, i.e., 11309769 + 1452025 = 3363^2 + 1205^2 .
It is not an unprimeable number, because it can be changed into a prime (12761797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190447 + ... + 3190450.
Almost surely, 212761794 is an apocalyptic number.
12761794 is a deficient number, since it is larger than the sum of its proper divisors (6380900).
12761794 is an equidigital number, since it uses as much as digits as its factorization.
12761794 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6380899.
The product of its digits is 21168, while the sum is 37.
The square root of 12761794 is about 3572.3653228638. The cubic root of 12761794 is about 233.6884474799.
The spelling of 12761794 in words is "twelve million, seven hundred sixty-one thousand, seven hundred ninety-four".
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